Abstract:
The world's largest steel maker, ArcelorMital, says it has come up with a new kind of steel that the world has never seen before. Thanks to nanotechnology, the company says automakers can now match the weight of aluminum cars, but do it in steel at far lower cost.

Specifically, ArcelorMital says it can take 188 pounds out of the body-in-white of a car. The body-in-white, or BIW, refers to the basic structure of a car, including the doors, hood and deck lid. That's a big number. By taking so much weight out of the structure, other components such as the powertrain, drivetrain, brakes, etc. can be downsized as well. In other words, the total weight savings could be even bigger.